No, it’s this stuff
https://www.amazon.com/dp/B000PSE46S?tag=duckduckgo-d-20&linkCode=osi&th=1&psc=1
similar to this
It simply displaces water and air and denies entry to contaminants
11 Likes
No, it’s this stuff
https://www.amazon.com/dp/B000PSE46S?tag=duckduckgo-d-20&linkCode=osi&th=1&psc=1
similar to this
It simply displaces water and air and denies entry to contaminants